Mucotomy is a surgical procedure of excising the

mucous membrane A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. It ...

from an organ. This is done as part of several

gastrointestinal The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The tract is the largest of the body's systems, after the cardiovascular system. ...

surgeries, such as antireflux mucosectomy for the treatment of

Barrett's esophagus Barrett's esophagus is a condition in which there is an abnormal ( metaplastic) change in the mucosal cells that line the lower part of the esophagus. The cells change from stratified squamous epithelium to simple columnar epithelium, intersper ...

colectomy Colectomy (''wikt:colo-#Prefix, col-'' + ''wikt:-ectomy#Suffix, -ectomy'') is the surgical removal of any extent of the Large intestine#Structure, colon, the longest portion of the large bowel. Colectomy may be performed for prophylactic, curativ ...

for treating various intestinal disorders, and

per-oral endoscopic myotomy The per-oral endoscopic myotomy, or POEM, is a minimally invasive surgical procedure for the treatment of achalasia wherein the inner circular muscle layer of the lower esophageal sphincter is divided through a submucosal tunnel. This enables food ...

for treatment of

achalasia Esophageal achalasia, often referred to simply as achalasia, is a failure of smooth muscle fibers to relax, which can cause the lower esophageal sphincter to remain closed. Without a modifier, "achalasia" usually refers to achalasia of the esopha ...

References

Surgical procedures and techniques {{surgery-stub